How to fix this kind of warning

[simplemhan]

Please see the picture, unexpected argument for 2

how to fix this, thanks for helping

[waiwaw]

strcharinfo is no number

u must use getcharid

[Brian]

If the function expects an integer, use atoi to convert it:

$@blax[atoi(strnpcinfo(2))]

If the function expects a string, use +"" to conver it:

set .@i, 1;
set .@string$, .@i + "";